Gas cooking-stove.



F. V. DETWILER.

GAS COOKING STOVE.

APPLICATION FILED Anna, 1915.

Patented Dec. 26, 1916,

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Patented Dec. 26, 1916.

F. V. DETWILER.

GAS COOKING STOVE. APPIIcATIo'II FILED APR-2t. m5.-

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FOREST V. DETWILIER, 0F GRAND RAPIDS, MICHIGAN.

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Specification of Letters Patent.

Patented Dec. 26, 4243.

Application filed April 21, 1915. Serial No. 22,938.

To all whom it may concern:

Be it known that I, FOREST V. Dnrwmnn, citizen of the United States, residing at Grand Rapids, in the county of Kent and State of Michigan, have invented certain new and useful Improvements in Gas Cooking-Stoves, of which the following is a specification.

This invention relates to a gas-cooking stove of the elevated oven type, having a pair of burners from which heat is supplied to the ordinarytop or openings, and also when desired to the oven, suitable dampers being provided to control the oven arrangement. The stove also includes a novel broiler located under the burners, and the burners may be turned over to direct the heat downwardly to the broiler. The oven has heat retaining features, whereby it may serve as a fireless cooker, after being initially heated, novel means being especially pro-- vided for controlling the heat circulation.

A further object of the invention is to provide a new and improved valve arrange ment whereby fuel may be supplied to one or more of the burners as desired, and whereby a pilot light is controlled.

Further objects and advantages will appear from the following description and the accompanying drawings in which one embodiment of the invention is illustrated.

In the drawings, Figure 1 is a vertical section of the stove. Fig. 2 is an enlarged vertical cross section of the oven, on the line 2-2 of Fig. 1. Fig. 3 is a top plan view of the burners and connected parts.

Fig. 4 is a top plan of the stove. Fig. 5 is a detail in vertical section of a portion of the middle support for the burners. Fig. 6 is-a' top plan of the same. Fig. 7 is a detail in perspective of a portion of the oven damper and connected parts. Fig. 8 is a detail of the stove plate and oven Joints.

Referring specifically to the drawings, 18 is the stoveztop supported on suitatble legs 19. The top has four openings 20 with suitable lids 21. Located'under two openings;

at the left end of the stove are two burners 22 and 23. These burners are pivotally mounted in connection with the mixers 24 and 25. at opposite ends thereof, and are supported at the middle by a cross bar 26 which has depending legs 38 fitting in clips 39 supporting bar 26 has a saddle 31 which receives the inner ends or necks 32 and 33 of the burners 22 and 23. A key 34 is provided, with tapered lugs 35 which engage in slots 36 formed in the ends 37 of the necks of the burners 22 and 23. A cap 40 over the saddle has a lip 41 which is designed to pass through an opening 42 and engage the under surface of the supporting bar 26 to hold the ends of the burners and their connecting key 34 in place. This cap has a slot 43 adapted to permit the rotation or turn of the lug 44 which is cast on the key 34 and which by striking the saddle part of the supporting bar, at opposite sides, stops or prevents more than a half turn of the burners. The cap 40 has an extension with a slot 46 which receives a screw 47 to hold the cap in place. The central supporting bar 26 has recesses 48 to receive the lug 44 when the 53 having an inlet 54, outlets 56 and 57 to the burners 22 and 23 respectively, and a connection 58 to the pilot light 50.

Depending from the stove top 18 is a heat retaining and guide flange 18.

A compartment 80 having openings 8O and 80 is formed at the rear of the fire box, and this compartment has a forwardly inclined top 80 with a turned up flange 8O adapted to arrest any water or other liquid that may boil over when on the fire, and prevent the same from flowing down on the burners.

The compartment 80 at the rear of the fire boX is important, as it provides means for introducing a supply of fresh air to the oven, in addition to the products of combustion passing from the burner, and a fresh air supply is desirable for a baking oven. That is, the compartment 80 is located dii in rectly behind and under the flue leading T e top from. the burner to the oven and this compartment receives air through the openings 8d and and said til the air passes out through the openings 80 to.

oven, the air supplying the desirable oxygen to the oven.

Located directly under the fire box and the burners is a broiling compartment 81 the casing of which is supported from the bottom plate of the stove by legs 81 This broiler has an opening 81 at the top, under the burners, and is surrounded by an outer casing 82 provided with air inlet openings 8%. Compartments 88 and 84 are provided on both sides of the fire box and air inlet openings 83 and 84 are formed in the walls of these compartments, for-the purpose of supplying air to the burners.

The baking oven is located in elevated position at the end of the stove opposite the burners, and has walls packed with heat insulating material. This oven has an inner casing 85, preferably made of aluminum,

and spaced from the top, bottom and end Walls of the oven. It is supported at the back by a lower bracket 85 and an upper bracket 85 and joins the wall of the oven at the front where it is closed by a suitable door 101. A metal plate 86 is slidably located in the bottom of the oven chamber 85 and is spaced from the bottom wall thereof.

The heat flue 88 leads from the burner section of the stove to the oven and is controlled by a swinging damper.--"87 located at thelower inner corner of the oven. Depending from the under face fot the bottom of the oven compartment 85? is a deflector flange 89 torthe purpose of converging or directing the heat toward the inlet circular damper 90 in the bottom of the oven. A,

heat passage 91 is by the construction described formed between the outer and inner oven casings, and in the top part 92 of this passage is a deflector 93 extending partly across said space to cause the heat to circulate i'ully over the top of the inner oven casing, and the outer casing has an outlet flue pipe 95 controlled by a rotary damper 94. The inner oven compartment also has a rotary ventilating damper 96 in the top thereof.

the main heat flue at the rear of the stove is a rotary damper 97 communicating with the stack pipe 103, and connected by a bar 97* to a pin on the rear end of the damper 8?. The dampers 87, 94 and 97 are all operated by a single handle 98, by

means of the rod 98", segment 98 and connecting bars 87 and 9 1, so that when the dampers 87' and 9d: are opened the damper 97 is closed, and vice versa. The damper 90 is operated by means of the slide 90 seoured on the under side of the plate 86 and having an operating arm 90", to open the damper when the plate 86 is pushed in and close the same when it is pulled out. This damper structure forms the subject of cer- I tain claims in my pending application l lo. 850388 filed July 11, 1914.

Fig. 8 illustrates the manner of mailing the oven and other joints where the sheet metal is joined. The plate 99 has a llloop 99 formed at the edge thereof, and the adjoining sheet 100 has a flange 199 at the edge, fitting in the til loop. The bar 104 is placed in the angle on the inner side, and an angle bar over the corner at the outer side, and all secured together by screws 106.

Secured to the mixer 24 is a handle Zet by means of which the burners 22 and 28 are turned over a half revolution. Normally the burners are directed toward the top, but when it is desired to use the broiler the burners are turned over and the flame will be directed downwardly toward the broiling pan. The handle 2% rests on the pipe 56 when the burners are turned up,

By the means described, a combined cooking, broiling and halting stove is provided and the operation of one or both burners is pe pmitted and can be controlled by a single va ve.

What I claim as new is: i

1. Tn an oven, the combination of an outer casing having an outlet opening at the top' thereof, an inner casing spaced therefrom, a flue leading to said space, a damper controlling said outlet opening, a damper controlling said fiue, and operating connections in said space, between the dampers, and an operating handle connected to one of said dampers.

2. In a gas stove, the combination o'l'a pair of reversible burners, a supporting bar extending between the same and having a bearing for said burners, and a rotary key mounted in said bearing and connecting the burners.

3. In a gas stove, the combination of a pair of reversible burners, a supporting bar extending between the same and having a bearing for said burners, and a rotary key mounted in said bearing and connecting the burners, said key having interlocking engagement with the burners and also having a stop to limit rotation thereof.

at. In a stove, the combination of a (looking top, an oven located beside said top, a burner under the top, a tine leading from the burner to the oven, and an air passage adjacent to said fine and adapted to be heated thereby, and leading to the oven.

5. In a stove, the combination of a cook- In testimony whereof I do affix my siging top, an oven located at the back "of said naturein presence of two witnesses. top, a burner under the front part of said top,- a flue leading from said burner and ex- FOREST V. DETWILER. 5 tending under the back part of said top to, u the oven, and a fresh air supply compart- Witnesses:

ment located under said flue and heated Jon A. BOMMH'ARDT,

thereby, and communicating with the oven. J. B. DAVIS. 

